Project JEDI is an international community of BorlandDelphi developers with a mission to exploit our pooled efforts, experiences and resources to make Delphi and Kylix--the greatest Windows and Linux application development  tools--even greater. 

You can see more on: http://delphi-jedi.org/

Project JEDI started several OpenSource projects such as JediVcl (JVCL) and JediCodeLibrary (JCL, not to be confused with JobControlLanguage).